Improvement in water-pipes



T. WARHURST.

WATER-PIPES, 8w.

Patented 0ct.17

-PETERS, FHOTO UTHOGRAPHER WASHINGTONv D C.

pipe with an internal continuous partition, I claim, a

UNITED STATES PATENT OFFICE,

THOMAS WARHURST, OF WAPPINGERSv FALLS, NEW YORK, ASSIGNOR OF ONE-HALF HIS RIGHT TO HENRY D. BARR, OF WASHINGTON, D. O.

IMPROVEMENT IN WATER-PIPES, &c.

Specification forming part of Letters Patent No. [83,348, dated October 17,1876; application filed March 7, 1876.

To all whom itmag concern: er capacity to the service-section in a given Be it known that I, THOMAS WARHURST, of diameter of pipe.

Wappingers Falls, in the county of Dutchess It will be readily understood by pipe-foundand btate of New York, have invented a new ers that these pipes can be cast by employand Improved Pipe for Conveying \Vater, 8w; ing separate cores for the separated sections and 1 do hereby declare that the following is of the several forms shown, and it is obvious a full, clear, and exact description thereof, that they can be produced as cheaply as an which will enable others skilled in the art to ordinary pipe, aside from the cost of the extra which it appertains to construct and use the quantity of metal required to produce the parsame, reference being bad to the accompanytition. ing drawings, forming a part of this specifi- I do not confine myself to the use of any cation, in which particular heating agent, as steam, hot air, or

Figure 1 is a perspective View. Figs. 2, 3, any other known agent may be used. and 4 are sectional views, showing modified I am aware that it is not new to inclose a arrangements of my invent-ion. service-pipe wholly within another pipe of The object of my invention is to prevent walarger diameter, and to introduce a heating ter from freezing in pipes, or to relieve the medium within the intermediate space, and same when frozen up. this 1 do not claim; but,

My invention consists in constructing the Having fully described my invention, what nd desire to secure by Letters Patthereby forming a chamber into which a heatent, is ing medium may be introduced. A pipe for conveying water or other liquids,

in the drawings, A is the pipe, and B is the cast with an internal partitiomforming a champartition. in Fig. l the partition is arranged her into which to introduce a heating medium, centrally, and a half-section of the pipe is for the purpose specified. thereby utilized to convey the water. Witnesses: THOS. WVARHURST.

Figs. 2, 3, and 4 illustrate various modes of arranging the partition, in order to give great- J. D. BETHUNE, J N0. G. BETHUNE. 

